updated the upload functionality to handle large files and added a new image file

app/utils/pptx_converter.py

@@ -9,12 +9,23 @@ The converted PDF is then processed by the main upload workflow for 4K image gen
 import os
 import subprocess
 import logging
+import signal
+import time
 
 # Set up logging
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
 
 
+def cleanup_libreoffice_processes():
+    """Clean up any hanging LibreOffice processes"""
+    try:
+        subprocess.run(['pkill', '-f', 'soffice'], capture_output=True, timeout=10)
+        time.sleep(1)  # Give processes time to terminate
+    except Exception as e:
+        logger.warning(f"Failed to cleanup LibreOffice processes: {e}")
+
+
 def pptx_to_pdf_libreoffice(pptx_path, output_dir):
     """
     Convert PPTX to PDF using LibreOffice for highest quality.
@@ -30,6 +41,9 @@ def pptx_to_pdf_libreoffice(pptx_path, output_dir):
         str: Path to the generated PDF file, or None if conversion failed
     """
     try:
+        # Clean up any existing LibreOffice processes
+        cleanup_libreoffice_processes()
+        
         # Ensure output directory exists
         os.makedirs(output_dir, exist_ok=True)
         
@@ -39,14 +53,19 @@ def pptx_to_pdf_libreoffice(pptx_path, output_dir):
             '--headless',
             '--convert-to', 'pdf',
             '--outdir', output_dir,
+            '--invisible',  # Run without any UI
+            '--nodefault',  # Don't start with default template
             pptx_path
         ]
         
         logger.info(f"Converting PPTX to PDF using LibreOffice: {pptx_path}")
-        result = subprocess.run(cmd, capture_output=True, text=True, timeout=120)
+        # Increase timeout to 300 seconds (5 minutes) for large presentations
+        result = subprocess.run(cmd, capture_output=True, text=True, timeout=300)
         
         if result.returncode != 0:
             logger.error(f"LibreOffice conversion failed: {result.stderr}")
+            logger.error(f"LibreOffice stdout: {result.stdout}")
+            cleanup_libreoffice_processes()  # Clean up on failure
             return None
         
         # Find the generated PDF file
@@ -55,16 +74,22 @@ def pptx_to_pdf_libreoffice(pptx_path, output_dir):
         
         if os.path.exists(pdf_path):
             logger.info(f"PDF conversion successful: {pdf_path}")
+            cleanup_libreoffice_processes()  # Clean up after success
             return pdf_path
         else:
             logger.error(f"PDF file not found after conversion: {pdf_path}")
+            cleanup_libreoffice_processes()  # Clean up on failure
             return None
             
     except subprocess.TimeoutExpired:
-        logger.error("LibreOffice conversion timed out (120s)")
+        logger.error("LibreOffice conversion timed out (300s)")
+        cleanup_libreoffice_processes()  # Clean up on timeout
         return None
     except Exception as e:
         logger.error(f"Error in PPTX to PDF conversion: {e}")
+        import traceback
+        logger.error(f"Traceback: {traceback.format_exc()}")
+        cleanup_libreoffice_processes()  # Clean up on error
         return None
 
 

app/utils/uploads.py

@@ -290,21 +290,33 @@ def process_pptx(input_file, output_folder, duration, target_type, target_id):
     
     try:
         # Step 1: Convert PPTX to PDF using LibreOffice for vector quality
+        print("Step 1: Converting PPTX to PDF...")
         from utils.pptx_converter import pptx_to_pdf_libreoffice
         pdf_file = pptx_to_pdf_libreoffice(input_file, output_folder)
         
         if not pdf_file:
             print("Error: Failed to convert PPTX to PDF")
+            print("This could be due to:")
+            print("- LibreOffice not properly installed")
+            print("- Corrupted PPTX file")
+            print("- Insufficient memory")
+            print("- File permission issues")
             return False
             
         print(f"PPTX successfully converted to PDF: {pdf_file}")
         
         # Step 2: Use the same PDF to images workflow as direct PDF uploads
+        print("Step 2: Converting PDF to JPG images...")
         # Convert PDF to JPG images (300 DPI, same as PDF workflow)
         image_filenames = convert_pdf_to_images(pdf_file, output_folder, delete_pdf=True, dpi=300)
         
         if not image_filenames:
             print("Error: Failed to convert PDF to images")
+            print("This could be due to:")
+            print("- poppler-utils not properly installed")
+            print("- PDF corruption during conversion")
+            print("- Insufficient disk space")
+            print("- Memory issues during image processing")
             return False
         
         print(f"Generated {len(image_filenames)} JPG images from PPTX → PDF")
@@ -313,11 +325,14 @@ def process_pptx(input_file, output_folder, duration, target_type, target_id):
         if os.path.exists(input_file):
             os.remove(input_file)
             print(f"Original PPTX file deleted: {input_file}")
-            
+        
         # Step 4: Update playlist with generated images in sequential order
+        print("Step 3: Adding images to playlist...")
         success = update_playlist_with_files(image_filenames, duration, target_type, target_id)
         if success:
             print(f"Successfully processed PPTX: {len(image_filenames)} images added to playlist")
+        else:
+            print("Error: Failed to add images to playlist database")
         return success
         
     except Exception as e: